Powder reagents for total chlorine (100 tests)

(±)-Ketoconazole,2000 µg/mL,MeOH,1mL

Propyzamide, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23950-58-5

n-C30/n-C20, n-Triacontane/n-Eicosane (Integration control) 1000 µg n-Triacontane and 2000 µg n-Eicosane in 1mL isooctane n-Triacontane/n-Eicosane = 1:2